Home / 22,949.81-34,428.19-8,155.22

Finding the Fourth Proportional to 22,949.81, 34,428.19 and 8,155.22

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Solution

The fourth proportional to 22,949.81, 34,428.19 and 8,155.22 is: 12,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,949.81 : 34,428.19 = 8,155.22 : x
  2. Step 2: Convert to fraction form
    22,949.81/34,428.19 = 8,155.22/x
  3. Step 3: Cross multiply
    22,949.81x = 34,428.19 × 8,155.22
  4. Step 4: Simplify right side
    22,949.81x = 280,769,286.41
  5. Step 5: Solve for x
    x = 280,769,286.41/22,949.81
  6. Step 6: Final answer
    x = 12,234.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.